package ch03.demo.proxy;

import ch03.demo.service.Buyer;
import org.apache.log4j.Logger;

public class IntermediaryImpl implements Buyer {
    private Logger logger=Logger.getLogger(IntermediaryImpl.class);
    /**
     * 被代理的目标对象
     */
    private Buyer target;

    public IntermediaryImpl(Buyer target){
        this.target=target;
    }

    /**
     * 对目标对象业务进行代理
     * @return
     */
    @Override
    public String havealook() {
        before();
        String feedback=target.havealook();//执行目标对象的实际业务
        after();
        return "看房记录：买家反馈”"+feedback+"“";
    }
    public void before(){
        logger.debug("前期准备。");
        logger.debug("查找房源。");
        logger.debug("和卖家沟通时间。");
    }
    public void after(){
        logger.debug("后期跟踪");
        logger.debug("和买家沟通意见。");
    }
}
